Cylinder block



FIG. 1 is a top plan view of cylinder block showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top, front and left side perspective view thereof;

FIG. 8 is a bottom, rear and right perspective view thereof; and,

FIG. 9 is a top, front and left side perspective view thereof showing the cylinder block when in use with a cord and an actuator.

The broken lines shown in the FIG. 9 drawing view are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cylinder block, as shown and described. 